/Engine/Source/Runtime/Engine/Classes/Kismet/KismetMathLibrary.h
Element-wise addition of two linear colors (R+R, G+G, B+B, A+A)
static [FLinearColor](API\Runtime\Core\Math\FLinearColor) Add_LinearColorLinearColor ( [FLinearColor](API\Runtime\Core\Math\FLinearColor) A, [FLinearColor](API\Runtime\Core\Math\FLinearColor) B )